CHAPTER VI.. Chylification, and the Organs Concerned in It.

CHYLIFICATION, AND THE ORGANS CONCERNED IN IT.

Chylification--Not well known--Organs concerned in it--The intestinal canal--Its general structure--Peritoneal coat--Mesentery--Muscular coat--Uses of these--Air in intestines--Uses of--Mucous coat--Analogous to skin--The seat of excretion and absorption--Mucous glands--Absorbent vessels--Course of chyle towards the heart--Nerves of mucous coat--Action of bowels explained--Individual structure of intestines--The Duodenum--Jejunum--and Ileum--Liver and pancreas concerned in chylification--Their situation and uses--Bile, its origin and uses--The pancreas--Its juice--The jejunum described--The ileum--Cœcum--Colon--and Rectum--Peristaltic motion of bowels--Aids to it--Digestion of vegetables begins in stomach but often finished in the bowels--Illustration from the horse--Confirmation by Dupuytren, 152–183